2 doctors weighed in:

How long does it usually take for mono to go away for a late teen?

2 doctors weighed in
Dr. James Ferguson
Pediatrics

In brief: Varies

Most young adults will return to their baseline level within 3 weeks but up to 10 % will have persisting lethargy for up to 3 months.
Proper rest, nutrition and exercise as tolerated are needed during the process.

In brief: Varies

Most young adults will return to their baseline level within 3 weeks but up to 10 % will have persisting lethargy for up to 3 months.
Proper rest, nutrition and exercise as tolerated are needed during the process.
Dr. James Ferguson
Dr. James Ferguson
Thank
Dr. Robert Kwok
Pediatrics

In brief: If you're under 16yr

Thanks for your interest in healthtap.
Your question might not get answered if you are under age 16 years and writing your own questions. Have a trusted adult or parent submit your questions, using your account to ask about your concerns. There are many pediatricians on healthtap with a great deal of expertise, but they look for questions submitted by adults on behalf of teens or younger children.

In brief: If you're under 16yr

Thanks for your interest in healthtap.
Your question might not get answered if you are under age 16 years and writing your own questions. Have a trusted adult or parent submit your questions, using your account to ask about your concerns. There are many pediatricians on healthtap with a great deal of expertise, but they look for questions submitted by adults on behalf of teens or younger children.
Dr. Robert Kwok
Dr. Robert Kwok
Thank
Read more answers from doctors